Browsing by Title Facultad de Ciencias
Now showing items 2399-2418 of 8192
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(Elsevier Science B.V., 2002-11-20)(S)-(1)-boldine, an aporphine alkaloid displaying antioxidative and dopaminergic properties, and six of its derivatives (glaucine, 3-bromoboldine, 3-iodoboldine, 8-aminoboldine, 8-nitrosoboldine and 2,9-O,O9 -dipivaloylboldine) ...
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(International Union of Crystallography, 1980-01-18)
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(2009)The Information and Communication Technologies (ICT) have brought several promises on participation and a closer relationship between authorities and citizens. In Chile, the Senate has developed two programs (Virtual Senator ...
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(The Company of Biologists Ltd., 2017)We studied the putative effect of early life experience on the physiological flexibility of metabolic and osmoregulatory traits in the leaf-eared mouse, Phyllotis darwini, an altricial rodent inhabiting seasonal Mediterranean ...
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(Plos one, 2015)We evaluated the extent to which manipulation of early olfactory environment can influence social behaviours in the South American Hystricognath rodent Octodon degus. The early olfactory environment of newborn degus was ...
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(CELL PRESS, 2005-07-07)During regional patterning of the anterior neural plate, a medially positioned domain of cells is specified to adopt retinal identity. These eye field cells remain coherent as they undergo morphogenetic events distinct ...
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(Academic Press Inc., 2002)Central Chile (32-35°S) lies at the northern border of strong Westerly influence and thus exhibits a steep precipitation gradient. Therefore, the palaeoclimatic archives in the region are suitable for detecting past moisture ...
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(Elsevier, 2015)Dense microspheres consisting of poorly crystalline ReS2 embedded in carbon were synthesized with a high yield via a facile one-pot solvothermal route, by reacting dirhenium decacarbonyl, elemental sulfur and an aromatic ...
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(Universidad de Chile, 1976)
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(Universisdad de Chile, 1993)Cuando los animales endotermos enfrentan grandes variaciones estacionales físicas y biológicas, con inviernos que imponen alto gasto energético y disminuciones de la abundancia y/o calidad del alimento, presentan distintas ...
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(Universisdad de Chile, 2015)La generación de una respuesta inmune efectiva contra los patógenos es esencial para aumentar las probabilidades de supervivencia; sin embargo, la función inmune es un proceso costoso en términos de energía y nutrientes, ...
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(2008)The carnivore community of the altiplano ecosystem of the high Andes, including the Andean mountain cat (Leopardus jacobita) and pampas cat (Leopardus colocolo), is one of the least studied in the world. We determined the ...
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(ELSEVIER SCI LTD, 2008-06)Ecological boundaries have been described as being multiscalar or hierarchical entities. However, the concept of the ecological boundary has not been explicitly examined in the context of hierarchy theory. We explore how ...
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(2012)Dromiciops gliroides is an arboreal marsupial found in the temperate forests of South America (36- 43 °S). This species is the sole extant representative of the order Microbiotheria, and is a key seed disperser of many ...
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(Springer, 2012)Intraspecific variation in sociality is thought to reflect a trade-off between current fitness benefits and costs that emerge from individuals' decision to join or leave groups. Since those benefits and costs may be ...
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(1997)In the Andes of Central Chile, flowering commences 1-2 months earlier on equatorial-(north-) facing than on polar- (south-) facing slopes, and pollinator assemblages also differ between these habitats. In order to understand ...
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(Elsevier, 2007)Current forestry practices in Chile largely rely on exotic tree plantations, and limited management experiences are available for the species-rich native evergreen rain forests. Yet, conservationists and forest scientists ...
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(Universidad de Chile, 2008)Pouteria splendens, palo colorado, es una especie de arbol endémico de chile central, único representante de la familia sapotaceae en chile. Su estado de conservación es vulnerable, con severa presión antrópica y ...